Question about Intermatic & Indoor/Outdoor Rain Tight Timer

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Wiring of Intermatic T8845pv

On the intermatic timer,Model t8845pv, there are two timers, one with clips to designate each field and one for each of the 14 day timer. I need the pins for the 14 day timer and how to set it. I would also like to get a copy of the instructions as my instructions are not legible in the door. i have a T8845PV Intermatic..clock motor is 110/125 volt..I am having problems getting it to turn on at specific time and turn off also..also having problems setting the days for on..Its a replacement for the one that died..I wired it exactly like the old one cept mabe the yellow wires..Any help would be appreciated..Thanks

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I believe the number you gave is fir the 14 day timer. Here is a link to the manual for it. Notice the not to use only one silver pin.
http://www.intermatic.com/~/media/files/intermatic/products/instructions/timers/t8845pv%20-%20english.ashx

Posted on Aug 10, 2010

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1 Answer

How to connect my well pump to timer


T8845PV has 120 volt input.... but 24Volt output,
You can use 24 volt to control contactor that can be used to switch 120-240 volt pump
Wiring on following link:
http://waterheatertimer.org/How-to-wire-Intermatic-sprinkler-timers.html

Gene

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Dec 02, 2013 | Intermatic T8845PV - Sprinkler-Irrigation...

1 Answer

T8845pv


You have 120Volt Intermatic sprinkler timer with 24Volt output.
Copy following link for setting sprinkler timer:
http://waterheatertimer.org/pdf/How-to-Set-and-Troubleshoot-Intermatic-sprinkler-timer.pdf
Copy following link for wiring Intermatic sprinkler timer:
http://waterheatertimer.org/How-to-wire-Intermatic-sprinkler-timers.html
Add a comment
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May 25, 2013 | Intermatic T8845PV - Sprinkler-Irrigation...

1 Answer

Im trying to change out my automatic sprikler timer, the new one is Intermatic model T8845PV. Its an old house I have two hot wires going in to the old timer, and I only see one spot for my hot wire in the...


Open following links for resources:
http://waterheatertimer.org/Intermatic-trippers-and-parts.html#sprinkler
http://waterheatertimer.org/images/T8845PV-image-700.jpg

If you have 2 hot wires, then you have 240Volt circuit from breaker box.
T8845PV is 120Volt timer.
How to wire for 120Volt: Use one hot wire to connect to LINE terminal. Cap off other hot wire. Then connect bare ground wire to terminal marked NEUTRAL.
This is not code, but it will work until you have time to run 120Volt line from nearby 120Volt outlet.
Read about 120 and 240Volt circuits
http://waterheatertimer.org/B220C.html

T8845PV is 120Volt timer, made to control 24Volt sprinkler valve.
Inside the timer, there are two wiring terminals marked LINE and NEUTRAL
120Volt cable from circuit breaker has black hot wire and white neutral wire.
Connect black hot to terminal marked LINE
Connect white neutral to terminal marked NEUTRAL

The yellow wires are 24Volt output.
Yellow wires connect to sprinkler valve.
Do not connect 120Volt to yellow wires.
This timer does not have terminals for rain sensor:
http://waterheatertimer.org/pdf/How-to-Set-and-Troubleshoot-Intermatic-sprinkler-timer.pdf

Jul 31, 2011 | Intermatic & Indoor/Outdoor Rain Tight...

1 Answer

How do you wire a Toro Rain Sensor 53769 to Intermatic Timer T8845PV


The rain sensor only connects to Intermatic sprinkler timer IF the timer has the rain sensor terminals.
Not all Intermatic sprinkler timers have that connection.
For example R8815P101C and R8816P101C have rain sensor terminals

I think the rain sensor terminals are located to the right of main wiring terminal block.
There are two screw terminals.

The rain sensor plugs into a power source, and then sensor wires connect to the timer.
Apply no voltage to the sprinkler timer terminals.

http://waterheatertimer.org/Intermatic-trippers-and-parts.html#sprinkler

May 01, 2011 | Intermatic & Indoor/Outdoor Rain Tight...

1 Answer

The time works, but SOLENOID does not come on - the SOLENOID was working prior, but the timer was not working, was able to put on manual, but that does not happen now - i have the two yellow wires from the...


http://www.intermatic.com/products/timers/mechanical%20time%20switches/sprinkler%20irrigation%20timers.aspx

http://waterheatertimer.org/pdf/Intermatic-t8845pv.pdf

http://waterheatertimer.org/Intermatic-trippers-and-parts.html#sprinkler

T8845PV has 2 yellow wires for 24Volt output that powers solenoid.
1) Yes the yellow wires connect to two wires on solenoid.
2) 120Volt power arrives from breaker box. Black hot wire connects to Line terminal screw. White neutral connects to Neutral terminal screw. Check for 120Volts across both terminal screws.
3) Next check that output on yellows wires is 24Volts. The manual does not specify if that is 24Volt AC or DC. I assume that means it is AC. Buy cheap multimeter at home center to check 24Volt output.
4) Tests from 2) and 3) will tell you if 120V circuit is problem or if transformer has gone bod or if solenoid is suspect.
5) T8845PV uses T8845PV transformer, but it might be cheaper buying whole new timer and then snapping new mechanism into existing box
http://www.1000bulbs.com/product/3422/ELEC-T8845PV.html

Apr 21, 2011 | Intermatic T8845PV - Sprinkler-Irrigation...

1 Answer

Intermatic outdoor timer T8845Pv won't come on manually or auto


My first thought would be to make sure that there is power to the timer, 120 volts. Then I would check the wiring for the lights. then I would check the output of the timer with a voltage meter looking for the 24 volts.

Please vote !!

Apr 12, 2010 | Intermatic T8845PV - Sprinkler-Irrigation...

2 Answers

Need to purchase pins to place in the small daily timer of the ti


go to intermatic site
www.intermatic an search for irrigation timers. scroll to bottom of page and you'll see whats listed below


* Includes rain sensor input terminals- rain sensor not supplied.
** Includes 24 volt - 20 VA transformer.
For additional trippers (12 per pack), order No. 156T1950A.
For additional skipper pins (14 per pack), order No. 156T1954A.

Apr 04, 2009 | Intermatic & Indoor/Outdoor Rain Tight...

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